西南林业大学学报2012，Vol.32Issue(2)：11-15,5.DOI:10.3969/j.issn.2095-1914.2012.02.003
欧洲黑杨生长与材性联合选择
Integrated Selection of Populus nigra Clones by Growth and Wood Quality Properties
摘要
Abstract
The genetic varialion in wood property among 14 clones of Populus nigra was studied by means of measuring the Pilodyn index of the standing living trees in the non-destructive way. The correlations among the Pil-odyn index value and the density indexes of the timber were statistically analyzed by measuring the DBH value and the Pilodyn penetration on the south aspect of the living P. nigra trees ( Ps) in the plantation, and by determining the basic density of the core wood (Dc) , the density of outer wood (Dso) in the lab. Based on the mean values of Ps, Dso and Ds indexes of each clone tested , there were extremely significant correlations ( - 0. 832 9-0. 964 8 ) a-mong the three index serials, There were extremely significant correlations among the Ps, Dso and Ds index values of the individual P. nigra living trees ( -0. 825 2-0. 918 4) , and there were also extremely significant correlations among the means of Ps, Dso and Ds index values of the 14 P. nigra clones ( - 0. 887 6-0. 974 3) respectively. The results of the ANOVA analysis on the values of Ps, Dso and Ds indexes also showed there was remarkable difference in the wood properties among the P. nigra clones. The 14 clones were classified into 4 groups based on the three indexes integrated with the DBH average, i. e. , the high wood density with fast growth rate group; the low wood density with fast growth rate group; the high wood density with slow growth rate group; and the low wood density with slow growth rate group. The outcome of ANOVA analysis and Multiple Comparison analysis proved that there were significant differences among the 4 groups. 5 clones characterized with fast growing and high wood density, i. e. , No. 8000, ' Jiangyang' , No. 95, No. 153 and No. 172 were finally selected by the clustering analysis results.关键词
欧洲黑杨/无性系/Pilodyn/木材密度/木材外部密度Key words
Populus nigra/ clone/ Pilodyn/ basic wood density/ basic density of outer wood分类
农业科技引用本文复制引用
沈亚洲,王军辉,张守攻,马建伟,张宋智..欧洲黑杨生长与材性联合选择[J].西南林业大学学报,2012,32(2):11-15,5.基金项目
国家林业局948项目(2005-4-56)资助. （2005-4-56）
